根据物理光学理论，计算了光学点扩散函数(PSF)。
Based on physical optics theorem, point spread function (PSF) is calculated.
采用清晰度准则及最大值跟踪法解决点扩散函数的未知参数求解问题。
Finally, the question of the point-spread function's unknown parameter solver is settled by using the precision rule and the max-track way.
盲图像恢复就是在点扩散函数未知情况下从降质观测图像恢复出原图像。
Blind image restoration is to recover the original image form the observed degraded image with unknown the Point Spread Function (PSF).
对于低频扰动，当系统实现闭环控制后，像面上线扩散函数已接近衍射极限。
When the system close -loop controlling is realized for lower frequency perturbation, the approximate diffraction limited line spread function can again be achieved on the image plane.
第二章是光学超分辨理论基础，对焦点附近点扩散函数的性质进行了详尽分析。
In chapter 2, the characteristics of point spread function near the focus are analyzed in detail based on the theory of superresolution.
全面测量光学系统像质的是它的点扩散函数(PSF)或光学传递函数(otf)。
The most complete measures of image quality for an optical system were its point spread function (PSF) and its optical transfer function (OTF).
由所有物元的点扩散函数构成一个点扩散数组，数组的每一行对应一个物元的点分布。
A point spread array was constructed from all point spread functions of all elements; each row of the array corresponds to the point spread of an object element.
对红外光学系统，用几何光线追迹得到点列图或用基尔霍夫衍射理论计算得到点扩散函数。
For infrared optical systems a point spread function is calculated in terms of the spot diagram obtained through geometrical ray trace or the theory of Kirchhoff diffraction.
盲图像恢复的主要困难是信息不足，而为了恢复图像和确定点扩散函数需要适当的先验知识。
The primary difficulty with blind image restoration is insufficient information. This calls for proper incorporation of apriori knowledge about the image and the point-spread function(PSF).
一旦迭代过程收敛，通过对点扩散函数进行傅立叶变换即可得到待测低分辨率图像的MTF。
Once the process has converged, taking the Fourier Transform of the PSF gives the estination of the low resolution image MTF.
实验结果表明，正则化条码信号复原算法在消除系统点扩散函数的影响的同时能够很好地抑制噪声。
The experimental results show that the regularization algorithm of the restoration of bar code signal can restrain the noise effectively when it is eliminating the effect of the point spread function.
通过分析点扩散函数、斯特列比和离焦量的关系来评价三种不同掩模板对光学系统成像质量的影响。
Point spread function (PSF) and Strehl ratio (SR) are used to evaluate the imaging quality of the system with different defocus parameters.
这里提出的方法是仅根据模糊图像本身，求出确定系统点扩散函数（PSF）的重要参数-模糊距离。
The solution proposed here identifies important parameters with which to characterize the point spread function (PSF) of the blur, given only the blurred image itself.
在分析相干光照明下无衍射成像系统理论的基础上，设计了无衍射光成像系统的点扩散函数的测量系统。
Based on the theories of non-diffracting imaging system in coherent light, the measurement system of point spread function (PSF) of non-diffracting imaging system has been presented.
图像恢复是太空太阳望远镜（SST）图像处理的重要组成部分，当点扩散函数未知时只能进行盲恢复。
Only blind image restoration algorithms can be used in space solar telescope(SST) image processing when the point-spread function is unknown.
将二维点扩散函数(PSF)和蒙特卡罗方法相结合，引入了一种研究混浊介质显微成像的快速仿真模型。
A rapid and accurate model used to study microscopic imaging through turbid medium is presented which combines traditional Monte Carlo with two dimensional point spread function (PSF).
并在求取离焦点扩散函数的基础上，优化了维纳滤波器，很大程度上降低了噪声对离焦模糊图像复原的不良影响。
This method improves the estimating precision of the point spread function. Wiener filter is fabricated for recovering the defocused image based on the defocused point spread function.
通过对电子束扩散函数与显影对比度的分析，本文认为电子束曝光的分辨极限与显影液在纳米尺度下的扩散限制有关。
By analyzing the spread function and development contrast curve, we hypothesized that the resolution limit of electron-beam lithography is primarily limited by developer-diffusion.
结果显示，短期利率扩散过程的漂移函数和扩散函数都是非线性的，短期利率的概率分布不服从参数模型所假设的分布。
The testing result discloses that the drift and diffusion function are nonlinear, and the distribution of interest rate does not follow the specification in the parametric models.
基于标量衍射理论，考虑衍射效应的条件下，从理论上推导了编码孔径点扩散函数的公式，并对环形编码孔径进行了详细的讨论。
Considering diffraction effect based on scalar theory, we deduced a formula for point spread function of the coded aperture and discussed the ring coded aperture in detail.
大多数重建算法假设成像系统的模糊特性也即点扩散函数(PSF)已知，然而实际的应用环境下P SF事先不知道或部分知道。
Many image SRR algorithms assume that the blurring process, i. e., point spread function (PSF) of the imaging system is known prior to reconstruction.
音量，平衡调整，扩散和低通音频滤波器的距离函数。当前到音频监侦听器的距离在图中标记。
Distance functions for Volume, Pan, Spread and Low-Pass audio filter. The current distance to the Audio Listener is marked in the graph.
采用自由空间模型，通过控制探测数据的扩散范围，引入路径代价函数实现能量的高效利用。
By controlling diffusion of exploratory messages and making use of cost function, the energy consumption can be more efficient in free space model.
模型中水动力方程和泥沙扩散方程均采用幂函数方案的有限体积法离散。
In the model, the finite volume method discrete of power function is adopted for the hydrodynamic and silt diffusion equations.
在考虑瞬态过程中动量扩散速度基础上，用拉普拉斯变换法对无限长平板突然起动瞬态动量定解方程进行了求解，并按涡量定义求出涡量分布函数。
Based on the limited momentum propagation velocity, this paper presents the solution of the transient momentum equation by Laplace transform. The distribution functions of velocity and eddy are given.
模拟获得的径向分布函数和扩散系数的值与实验基本吻合，分子间作用能分布也与文献报道的趋势一致。
The simulated radial distribution function and diffusion coefficient also accord with experiment basically. Rather, the pair distribution function is consistent with the literature reported.
根据不同的跃迁运动和自由扩散运动模型导出了魔角旋转条件下的平均谱密度函数。
The average spectral density functions under MAS condition were derived from various models of jump motion and models of freely diffusive motion.
这一数学解表述了在百度试验条件下木材初含水率、干燥时间、即时含水率和相应的扩散系数之间的动态函数关系。
The dynamic function relationship among initial MC, drying time, instantaneous MC, and corresponding diffusion coefficient could be shown by this solution.
由对流扩散方程的对流系数和扩散系数确定了局域平衡分布函数的系数。
The coefficients in the equilibrium distribution are determined by the convection coefficient and the diffusion coefficient.
由对流扩散方程的对流系数和扩散系数确定了局域平衡分布函数的系数。
The coefficients in the equilibrium distribution are determined by the convection coefficient and the diffusion coefficient.
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